1. Overturn the traditional work mode, single operation is changed to team cooperation
2. Change of operation mode, PC operation is changed to mobile phone operation
3. Change of test connection mode, electric soldering iron is changed to no-solder dedicated connector
4. Change from artificial observation to intelligent monitoring Artificial observation / trying is changed to automatic detection algorithm, grap hical in dication the relability of connection.
Ensure the data is not damayed and lost
5. Change of service mode: Offline service is changed to online synchronous service

BMW CAS4/CAS4+ (Buy SK247-1 Module Seperatly):
Read CAS4 EEPROM without soldering/welding
Add Keys without soldering/welding
Reset Mileage without soldering/welding
Back up or recover CAS without soldering/welding
All keys Lost without soldering/welding